pms67/BananaSchplit66Single rail DC (<12V) to split rail DC supply (+/-12V and +5V).
BananaSchplit is an open-source printed circuit board by pms67, from the pms67/BananaSchplit repository on GitHub, published under the MIT licence. It is a 2-layer board of 77 × 32 mm with 53 parts on 28 nets, routed with 107 tracks and 191 vias.
It is built around the TPS5430DDA, TPS65131RGER and B5819W, with the AO3401A among its other parts. Its parts include 14 capacitors, 14 resistors, 6 diodes, 4 connectors and 3 inductors.
Single rail DC (<12V) to split rail DC supply (+/-12V and +5V).
Sufficient power capabilities to drive a large amount of analog gear (i.e. op-amps) without needing to perform split-rail biasing and without needing to mess with AC-to-DC power supplies!
Repo contains all design files (KiCad) and production files ready for JLCPCB manufacturing and assembly.
You can order this board (incl. SMT assembly) at https://www.jlcpcb.com.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10u | Capacitor_SMD:C_1206_3216Metric | C1, C3, C5, C6 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 4 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-1,5-2-5.0-H_1x02_P5.00mm_Horizontal | J1, J2, J3, J4 |
| 3 | 100k | Resistor_SMD:R_0603_1608Metric | R1, R2, R8 |
| 3 | B5819W | Diode_SMD:D_SOD-123 | D1, D2, D3 |
| 2 | 10n | Capacitor_SMD:C_0603_1608Metric | C2, C8 |
| 2 | 10u | Inductor_SMD:L_Sunlord_MWSA0518_5.4x5.2mm | L2, L3 |
| 2 | 12k | Resistor_SMD:R_0603_1608Metric | R10, R11 |
| 2 | 1M | Resistor_SMD:R_0603_1608Metric | R6, R9 |
| 2 | 22u | Capacitor_SMD:C_0805_2012Metric | C10, C14 |
| 2 | AO3401A | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 100n | Capacitor_SMD:C_0603_1608Metric | C7 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 110k | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 1A | Fuse:Fuse_1812_4532Metric | F1 |
| 1 | 1k5 | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | 220n | Capacitor_SMD:C_0603_1608Metric | C12 |
| 1 | 220u | Capacitor_SMD:CP_Elec_6.3x7.7 | C4 |
| 1 | 3k3 | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 47u | SchmillipKiCADLibrary:SWRB1204S | L1 |
| 1 | 4k3 | Resistor_SMD:R_0603_1608Metric | R13 |
| 1 | 4n7 | Capacitor_SMD:C_0603_1608Metric | C13 |
| 1 | 5k1 | Resistor_SMD:R_0603_1608Metric | R14 |
| 1 | 6p8 | Capacitor_SMD:C_0603_1608Metric | C9 |
| 1 | 8p2 | Capacitor_SMD:C_0603_1608Metric | C11 |
| 1 | GREEN | LED_SMD:LED_0805_2012Metric | D5 |
| 1 | LOGO | BananSchplitSilk:BananaSchplitSilkLogoDrawn | G*** |
| 1 | RED | LED_SMD:LED_0805_2012Metric | D4 |
| 1 | TPS5430DDA | Package_SO:TI_SO-PowerPAD-8_ThermalVias | U1 |
| 1 | TPS65131RGER | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U2 |
| 1 | YELLOW | LED_SMD:LED_0805_2012Metric | D6 |
The 51 most common of 53 parts.
It measures 77 × 32 mm and has 2 copper layers, 1.6 mm thick.
53 parts, built around the TPS5430DDA, TPS65131RGER, B5819W and AO3401A. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the pms67/BananaSchplit repository on GitHub, at the commit this page was made from: the board is BananaSchplit.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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